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Round|Natural|GIA

1.01ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 1156397254

Certificate GIA 1156397254

Diamond specifications and retailer prices

From $9,304 NZD
As of November 1, 2026
Save $8,500 NZD (48%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $20,269 NZD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.01ct natural round diamond

This 1.01ct natural round sits in the classic one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1156397254. Listed at 19 retailers as of November 1, 2026, with a 91% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.01
Carat
E
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 1156397254
Dimensions6.45 × 6.43 × 4.00 mm
L/W Ratio1.00
Culet sizeNone
Top View
6.45 mm6.43 mm1.01 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1156397254
Side View
Table 57.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.1%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $20,269 NZD|Low: $8,444 NZD|High: $20,269 NZD|Avg: $12,813 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 5$9,304 NZD
Retailer 6$10,134 NZD
Retailer 7$10,979 NZD
Retailer 9$10,979 NZD
Retailer 10$10,979 NZD
Retailer 2$11,431 NZD
Retailer 3$12,431 NZD
Retailer 8$12,668 NZD
Retailer 4$17,803 NZD
NZ Jewellers$20,269 NZD

42 data points across 10 retailers

19 retailers$9,304 NZD to $17,803 NZD

B
Cheapest Retailer
-
$9,304 NZD
B
Retailer 2
-
$9,307 NZD
View
B
Retailer 3
-
$9,576 NZD
View
B
Retailer 4
-
$10,134 NZD
View
Final sale: no returns
B
Retailer 5
-
$10,220 NZD
View
Retailer 6
-
$10,979 NZD
View
Price last confirmed 8 days ago
B
Retailer 7
-
$10,979 NZD
View
B
Retailer 8
-
$10,979 NZD
View
B
Retailer 9
-
$11,431 NZD
View
B
Retailer 10
-
$11,977 NZD
View
B
Retailer 11
-
$12,221 NZD
View
B
Retailer 12
-
$12,221 NZD
View
B
Retailer 13
-
$12,431 NZD
View
B
Retailer 14
-
$12,630 NZD
View
B
Retailer 15
-
$12,668 NZD
View
Retailer 16
-
$13,358 NZD
View
Price last confirmed 14 days ago
B
Retailer 17
-
$17,803 NZD
View
Retailer 18
-
$19,691 NZD
View
Price under review
Most Expensive
NZ Jewellers
8ed12017-f089-4478-9b1f-27566ee2d8fe · Nov 5
$20,269 NZD
$11,394 USD
View
Price under review
18 more retailers have this diamond
Prices start from $9,304 NZDSave up to $8,500 NZD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B
1.01ct Round
$9,304 NZD